{ config, lib, pkgs, ... }:
let
  inherit (import ../lib.nix {
    inherit lib;
    inherit pkgs;
  })
    nLib;
in {
  imports = [
    ../options.nix
    ../common/programs/utils.nix
    ./user.nix
    ./fonts.nix
    ./settings.nix
    ./media.nix
    ./creative.nix
    ./games.nix
  ];

  options = with lib;
    with nLib; {
      nathan = {
        config = {
          # Install fonts
          # On by default if the system is a desktop
          fonts = mkDefaultOption "fonts" config.nathan.config.isDesktop;
          # Macos settings
          settings = mkDefaultOption "settings" config.nathan.config.isDesktop;
        };
        programs = {
          # Firefox, enabled by default on linux desktop
          firefox = mkDefaultOption "Firefox" config.nathan.config.isDesktop;
          syncthing =
            mkDefaultOption "syncthing" config.nathan.config.isDesktop;
          # Communications applications
          communications = {
            # Enable by default if we are on a linux desktop
            enable = mkDefaultOption "Communication applications"
              config.nathan.config.isDesktop;
          };
          games = {
            # Enable by default if we are on a linux desktop
            enable = mkDefaultOption "games" config.nathan.config.isDesktop;
          };
          media = {
            # Enable by default if we are on a linux desktop
            enable = mkDefaultOption "Media applications"
              config.nathan.config.isDesktop;
          };
          creative = {
            # Enable by default if we are on a linux desktop
            enable = mkDefaultOption "Creativity applications"
              config.nathan.config.isDesktop;
          };
          # Virtualization
          virtualization =
            mkDefaultOption "Virtualization" config.nathan.config.isDesktop;
          # development tools
          devel = {
            python =
              mkDefaultOption "Virtualization" config.nathan.config.isDesktop;
          };
        };
      };
    };

  config = {
    # Link applications in spotlight/launchpad
    system.activationScripts.applications.text = pkgs.lib.mkForce (''
      echo "setting up ~/Applications..." >&2
      rm -rf ~/Applications/Nix\ Apps
      mkdir -p ~/Applications/Nix\ Apps
      for app in $(find ${config.system.build.applications}/Applications -maxdepth 1 -type l); do
        src="$(/usr/bin/stat -f%Y "$app")"
        cp -r "$src" ~/Applications/Nix\ Apps
      done
    '');
    # Set system state version
    system.stateVersion = 4;
    # Enable flakes
    # Enable nix flakes
    nix.package = pkgs.nixFlakes;
    nix.extraOptions = ''
      experimental-features = nix-command flakes
    '';
    services.nix-daemon.enable = true;
    # Replace some macos packages
    environment.systemPackages = with pkgs; [ coreutils-full openssh ];
    programs.zsh.enable = true;
    programs.fish.enable = true;
    # Make nix managed fonts work
    fonts.fontDir.enable = true;
    # Configure nix to be a lil smarter with the store
    nix.settings.auto-optimise-store = true;
    # Make nix assume control of homebrew
    homebrew = {
      enable = true;
      onActivation = {
        autoUpdate = true;
        upgrade = true;
        cleanup = "zap";
      };
      taps = [ "homebrew/cask-versions" "homebrew/services" ];
      casks = lib.mkMerge [
        (lib.mkIf config.nathan.programs.firefox [{
          name = "firefox";
          greedy = true;
        }])
        (lib.mkIf config.nathan.programs.virtualization [{
          name = "utm";
          greedy = true;
        }])
        (lib.mkIf config.nathan.programs.devel.python [{
          name = "miniconda";
          greedy = true;
        }])
        (lib.mkIf config.nathan.programs.communications.enable [
          {
            name = "discord";
            greedy = true;
          }
          {
            name = "betterdiscord-installer";
            greedy = true;
          }
          {
            name = "signal";
            greedy = true;
          }
          {
            name = "orangedrangon-android-messages";
            greedy = true;
          }
          {
            name = "messenger";
            greedy = true;
          }
          {
            name = "whalebird";
            greedy = true;
          }
          {
            name = "slack";
            greedy = true;
          }
          {
            name = "zulip";
            greedy = true;
          }
        ])
        # Unconditionally install core utilites
        [
          {
            name = "keepingyouawake";
            greedy = true;
          }
          {
            name = "flux";
            greedy = true;
          }
          {
            name = "iterm2";
            greedy = true;
          }
          {
            name = "gpg-suite";
            greedy = true;
          }
          {
            name = "amethyst";
            greedy = true;
          }
          {
            name = "podman-desktop";
            greedy = true;
          }
          # Original is unmaintaned, wait for this fork
          # https://github.com/UeharaYou/HiddenBar
          # { name = "hiddenbar"; }
        ]
      ];
      brews = lib.mkMerge [
        (lib.mkIf config.nathan.programs.syncthing [{
          name = "syncthing";
          restart_service = true;
          start_service = true;
        }])
        # Unconditionally install core utilities
        [{ name = "podman"; }]
      ];
    };
  };
}